Severe Thunderstorm Watch 10:00 PM Severe Thunderstorm Watch 10:00 PM

Sauk County, Wisconsin, United States

Last updated: 5:38 PM CDT  ·  Refresh
28°C
Feels like 32°
Mostly Cloudy
▲ 30°  /  ▼ 19°
Wind
10 mph WSW
Humidity
74%
Dew Point
21°
Pressure
28.78 inHg
Visibility
10 mi
UV Index
4.2
Cloud Cover
75%
Sunrise
5:27 AM
Sunset
8:42 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Sauk County is currently mostly cloudy at 29°C. Precipitation is likely — peak probability 90% around 10 PM. Atmospheric instability is elevated (CAPE up to 2244 J/kg) — isolated convective development possible. Sunrise: 5:27AM · Sunset: 8:42PM.

Alerts

Severe Thunderstorm Watch
Expires 10:00 PM
Severe Thunderstorm Watch
Expires 10:00 PM
36 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
28°
45%
6 PM
29°
53%
7 PM
27°
76%
8 PM
26°
76%
9 PM
23°
77%
10 PM
23°
90%
11 PM
22°
90%
12 AM
22°
90%
1 AM
21°
61%
2 AM
21°
74%
3 AM
21°
62%
4 AM
21°
62%
5 AM
19°
54%
6 AM
19°
28%
7 AM
19°
24%
8 AM
21°
36%
9 AM
21°
40%
10 AM
22°
36%
11 AM
22°
42%
12 PM
24°
42%
1 PM
26°
53%
2 PM
26°
53%
3 PM
26°
54%
4 PM
26°
61%
7-Day Forecast
Today
30° 19°
Heavy Rain, 90% chance.
Thu
28° 19°
Mostly Cloudy with a 74% chance of rain.
Fri
28° 18°
Mostly Cloudy.
Sat
28° 17°
Mostly Clear.
Sun
29° 18°
Mostly Clear.
Mon
29° 18°
Clear.
Tue
31° 19°
Mostly Clear.
TimeTempConditionsPrecipWindHumidity
Now 28° Mostly Cloudy 45% 10 mph WSW 74%
6 PM 29° Overcast 53% 9 mph WSW 79%
7 PM 27° Overcast 76% 6 mph WSW 83%
8 PM 26° Heavy Rain 76% 3 mph NW 88%
9 PM 23° Heavy Rain 77% 5 mph NE 91%
10 PM 23° Heavy Rain 90% 4 mph ENE 94%
11 PM 22° Rain 90% 4 mph NE 95%
12 AM 22° Overcast 90% 5 mph ENE 96%
1 AM 21° Overcast 61% 5 mph SW 96%
2 AM 21° Overcast 74% 4 mph SW 96%
3 AM 21° Overcast 62% 3 mph SW 96%
4 AM 21° Overcast 62% 4 mph SW 96%
5 AM 19° Mostly Cloudy 54% 4 mph WSW 96%
6 AM 19° Mostly Cloudy 28% 5 mph WSW 95%
7 AM 19° Mostly Cloudy 24% 6 mph WSW 93%
8 AM 21° Mostly Cloudy 36% 6 mph W 91%
9 AM 21° Mostly Cloudy 40% 7 mph W 90%
10 AM 22° Mostly Cloudy 36% 6 mph WNW 88%
11 AM 22° Mostly Cloudy 42% 6 mph WNW 86%
12 PM 24° Rain 42% 5 mph WNW 85%
1 PM 26° Rain 53% 5 mph WNW 83%
2 PM 26° Rain 53% 5 mph WNW 81%
3 PM 26° Mostly Cloudy 54% 5 mph WNW 79%
4 PM 26° Mostly Cloudy 61% 5 mph WNW 79%
15-Day Forecast
Today
7/8
Heavy Rain
90%
19°
30°
Thu
7/9
Mostly Cloudy
74%
19°
28°
Fri
7/10
Mostly Cloudy
16%
18°
28°
Sat
7/11
Mostly Clear
17%
17°
28°
Sun
7/12
Mostly Clear
19%
18°
29°
Mon
7/13
Clear
3%
18°
29°
Tue
7/14
Mostly Clear
9%
19°
31°
Wed
7/15
Mostly Clear
60%
18°
30°
Thu
7/16
Drizzle
60%
18°
29°
Fri
7/17
Drizzle
60%
18°
28°
Sat
7/18
Drizzle
60%
13°
27°
Sun
7/19
Drizzle
60%
17°
26°
Mon
7/20
Drizzle
60%
16°
27°
Tue
7/21
Drizzle
60%
16°
26°
Wed
7/22
Drizzle
60%
16°
26°
36
Good
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
36 AQI 6.5 µg/m³
O3
Ground-level ozone
33 AQI 36 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Thu 36 Good 33 36
Fri 36 Good 36 22
Sat 31 Good 31 28
About the Air Quality Index
0–50 Good
51–100 Moderate
101–150 Unhealthy for Sensitive Groups
151–200 Unhealthy
201–300 Very Unhealthy
301–500 Hazardous

The U.S. AQI runs 0–500. The overall value equals the highest individual pollutant sub-index, and the dominant pollutant is the one driving it. PM2.5 (fine particles) is reported in µg/m³ and ozone (O3) in ppb. Forecast source: NWS NAQFC.

1000850700500400300250200150100 -40-30-20-10010203040 0.41247101624 LCLLFCEL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Wed Jul 8, 21:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2382 J/kg
MLCAPE1092 J/kg
MUCAPE2382 J/kg
SBCIN-19 J/kg
MLCIN0 J/kg
Lifted Index-6.9
Kinematics
0–6 km Shear19 kt
0–1 km Shear7 kt
Eff. Shear20 kt
0–1 km SRH-12
0–3 km SRH-23
Eff. SRH-23
Storm Motion233° @ 27 kt
0–1 km EHI-0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index34.5
Thermo & Levels
PWAT1.68 in
0–3 km LR7.3 °C/km
700–500 LR5.8 °C/km
Total Totals48.6
LCL876 hPa
LFC860 hPa
EL190 hPa
Freezing Lvl13,898 ft